Initializing... drag & drop files here
Supports: WEBA
.oga with non-Vorbis content; you can switch to FLAC, Opus, or Speex). Set the bitrate via Quality Preset (Highest, Very High, High, Medium, Low), Constant Bitrate (8-384 kbps; 128 kbps is the default), Variable Bitrate (Vorbis ranges from 48K to 384K), Custom Bitrate (any value in bps/Kbps/Mbps), or Specific file size (target an exact MB cap)..weba is the audio-only profile of Google's WebM container, typically carrying Opus (newer recordings, since roughly 2013) or Vorbis (older recordings). .oga is Xiph.Org's recommended file extension for Ogg audio that is not Vorbis — introduced in RFC 5334 (September 2008) to disambiguate the long-overloaded .ogg extension. Both share the audio/ogg MIME type. Converting WEBA to OGA shifts the audio from a Matroska-derived container into the Xiph Ogg container while letting you re-encode or remux the underlying stream.
.weba clip ripped from a browser session is usable as-is once it's wrapped in Ogg.<audio> fallback for older browsers — Chrome and Firefox have shipped Ogg Vorbis since their first stable releases (2008/2004); WebM audio support arrived later (2010-2013) and Safari only added Opus-in-WebM support in macOS 11 / iOS 14. Serving an .oga source alongside .weba widens device coverage..oga as the canonical Ogg audio extension; some package managers and CI systems mis-detect .weba as video..oga for a master copy.| Property | WEBA | OGA |
|---|---|---|
| Container | WebM (Matroska-derived) | Ogg (Xiph.Org) |
| MIME type | audio/webm | audio/ogg |
| Maintained by | Google / WebM Project | Xiph.Org Foundation |
| Typical audio codecs | Opus, Vorbis | Vorbis, Opus, FLAC, Speex, OggPCM |
Recommended .oga codecs |
n/a | FLAC, OggPCM, Ghost (per Xiph spec); Opus/Vorbis allowed but discouraged |
| Browser support | Chrome, Firefox, Edge, Opera; Safari 14+ (Opus) | Chrome, Firefox, Edge, Opera since launch; Safari via plugins only |
| Streaming / chunking | Designed for adaptive web streaming | Granule-based, designed for streaming |
| Common use | Web recording, MediaRecorder API | Open-source apps, games, Linux audio |
| Choice | Bitrate range | Best for |
|---|---|---|
| Vorbis (default) | 48-500 kbps | General-purpose music, podcasts, broad open-source compatibility |
| Opus | 6-510 kbps | Voice, low-bitrate music, modern playback chains |
| FLAC | Lossless (typically 700-1100 kbps for stereo CD audio) | Archival masters, audiophile use |
| Speex (legacy) | 2-44 kbps | Narrowband voice; deprecated by Xiph in favor of Opus |
| Quality Preset "Very High" | ~192 kbps Vorbis equivalent | Recommended balance of size and fidelity |
| Quality Preset "Medium" | ~96-128 kbps Vorbis equivalent | Web streaming, voice + light music |
Only in the narrow case where the WEBA file already contains a stream that's legal inside Ogg (Vorbis or Opus) AND you have a tool that can remux from Matroska/WebM to Ogg without re-encoding. The containers are different: WebM uses Matroska's EBML structure, Ogg uses pages and granule positions. Renaming track.weba to track.oga will produce a corrupt file that most players reject. A converter does the actual container repacking and, optionally, re-encodes the audio.
If the WEBA already uses Opus and you don't need to change bitrate, choose Opus to remux losslessly into Ogg — no quality degradation. If the source is Vorbis or you want maximum compatibility with older Ogg players (early game engines, embedded hardware before ~2015), pick Vorbis. Opus generally wins on a quality-per-bitrate basis below ~96 kbps; Vorbis and Opus are roughly equivalent above 128 kbps.
.oga recommended over .ogg for non-Vorbis audio?In September 2008, Xiph.Org's RFC 5334 reserved .ogg for Ogg Vorbis specifically (for backwards compatibility with pre-2007 software) and introduced .oga for any other Ogg-encapsulated audio — FLAC, Speex, OggPCM, or Ghost. Many players still treat the two interchangeably, but using .oga correctly signals to file managers and middleware that the codec might not be Vorbis.
OGA with Vorbis plays natively in Chrome, Firefox, Edge, and Opera (and has since their initial releases). OGA with Opus plays in Chrome 33+, Firefox 15+, and Edge 14+. Safari does not natively decode Ogg-container audio in any version as of 2026 — you'd need a JavaScript decoder (ogv.js) or a different container like CAF for Apple platforms.
Quality Preset maps a friendly label ("Very High", "Medium") to a codec-appropriate bitrate. Custom Bitrate lets you enter an exact value (e.g., 144 kbps) — useful when you have a target file size or are matching a streaming spec. Specific file size goes the other direction: you enter the final size in MB and the encoder picks a bitrate to fit.
It depends on the codec choice. Opus-to-Opus or Vorbis-to-Vorbis remuxing inside the same bitrate is lossless (just a container change). Opus-to-Vorbis or any change in bitrate is a re-encode and incurs some generational loss, though it's usually inaudible above 192 kbps. To keep it truly lossless, target FLAC inside the OGA container.
Yes — the converter detects the audio track and outputs it inside the Ogg container. You can also adjust sample rate (downmix to 22.05 kHz for voice, keep 48 kHz for music) and channel layout (Stereo or Mono) on the way through. For full audio-only WebM files, see WEBA to OGG if you want the more universally recognized extension.
If your downstream tools are Linux- or open-source-centric (Audacity, Godot, ffmpeg pipelines), OGA is a slightly better long-term store. If you're sharing files across mixed Windows/macOS/web users, WEBA to MP3 or WEBA to WAV will land in more players without prompting. OGA is best where Ogg-native tooling exists.